51单片机多位数码管显示学号 身份证 适用于单片机开发板 特别是含有锁存器的 数码管-51 single-chip many digital tube display Student ID Identity Card applicable to Yu MCU development board particularly those containing latches' s digital tube

max6675对温度的测量，并在数码管上显示，用51单片机做得-max6675 measurement of temperature, and on the digital display, with 51 single-done